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Home > CC2 > Chapter 4 > Lesson 4.1.2 > Problem 4-19

4-19.

Copy and complete each of the Diamond Problems below. The pattern used in the Diamond Problems is shown at right.  

Generic Diamond Problem. One number, X, is located on the left side. The second number, Y, is located on the right side.  The bottom number is the sum of the two numbers, X and Y. The top number is the product of the two numbers, X and Y.

  1. Diamond Problem. Left blank, Right  1.2, Top blank,  Bottom negative 1.8

    What number plus equals ?

    Multiply your answer by  to find the top portion of the diamond.

    Right:
    Top: 

  1. Diamond Problem. Left blank, Right blank, Top negative 12,  Bottom 4

    What two numbers add to and, when multiplied together, equal ?

  1. Diamond Problem. Left negative 8, Right blank, Top blank,  Bottom negative 11

    See part (a).

  1. Diamond Problem. Left blank, Right blank, Top negative 56,  Bottom negative 1

    See part (b).

    and